You must move the entire folder not just the contents. As explained in this tutorial that i have found how to configure apple mail to avoid duplicate drafts with gmail.
For exchange and imap accounts drafts are stored on the mail server unless you select a mailbox on your mac in the mailbox behaviors pane in mail preferences.
How do i get mac mail to stop saving drafts. From now on your draft messages will be automatically saved on your mac while the final sent email will be uploaded and synced with gmail. You can then put the folder in the trash. There is a significant disadvantage.
If you set apple mail to save your drafts locally they don t proliferate. In the mail app on your mac open the drafts mailbox from the favorites bar or the mail sidebar. The steps above should solve your multiple drafts issue with your gmail account in apple mail.
Restart re launch mail and test. To disable it go to mail s preferences select your e mail account go to the mailbox behaviors tab and uncheck the option to store draft messages on the server. With the option changed simply close the preferences window and return to the mail app.
I have an issue with my apple mail app on my retina macbook pro. Double click a draft to open it in the message window then continue working on your message. Change mailbox behaviors preferences in mail on mac use mailbox behaviors preferences in mail to change where draft sent junk deleted and archived messages for an email account are stored.
Move the folder com apple mail to your desktop. Fortunately there is one clever workaround. Apple mail imap draft messages.
To change these preferences in the mail app on your mac choose mail preferences click accounts then click mailbox behaviors. Gmail will store a copy of any sent mail in its own sent folder. Do this for each imap account.
Any drafts which you have locally will not be available on your other computers. If the problem is solved recreate any required mail settings and import any emails you want to save from the folder on the desktop. But there is a issue.
At the bottom left corner where the current activity gets advertised it constantly says saving 1 of 100 drafts with a slightly greyed out number at the bottom 3 29 gb. Stop using imap for your drafts. I have done some searching and found various answers saying that i can turn it off by going to mail preferences accounts and after selecting the account in mailbox behaviours box just uncheck the store draft messages on the server check box.
Disable storing drafts on the server by going to the mail app s account preferences choose the account you are working with mailbox behaviors.